Service manual

Revision D 4-10
Troubleshooting : Power PCB Theory
Series 2000 Treadmill
409110-004
J9-27
SELF-CAL CMOS OUT LEVEL Signal to Start
SELFCAL
J9-28 TXSERVICE 232 IN 10KHZ RS232 DEBUG TX
J9-29 MANRUN CMOS OUT LEVEL Signal to Start MAN
CNTRL
J9-30 RXSERVICE 232 OUT 10KHZ RS232 DEBUG RX
J9-31 FAULT* CMOS OUT LEVEL BELT DRIVE FAULT
J9-32 GND GND COM DC Signal Ground
J9-33 GND GND COM DC Signal Ground
J9-34 -7.5V PWR IN DC Power for OP AMP
J9-35 GND GND COM DC Signal Ground
J9-36 +16.5V PWR IN DC Power for OP AMP
J9-37 GND GND COM DC Signal Ground
J9-38 GRADEV ANA IN 5HZ Current Grade
1V/5% (2%)
J9-39 GND GND COM DC Signal Ground
J9-40 SPEEDV ANA IN 5HZ Current Speed
1V/5MPH (2%)
J9-41 GND GND COM DC Signal Ground
J9-42 MANELE ANA OUT 5HZ MAN GRADE IN
0-5V (RATIO)
J9-43 GND GND COM DC Signal Ground
J9-44 MANSPD ANA OUT 5HZ MAN SPEED IN
0-5V (RATIO)
J9-45 GND GND COM DC Signal Ground
J9-46 ELEVFB ANA OUT 5HZ ELEV POSITION FB
(RATIO)
J9-47 GND GND COM DC Signal Ground
J9-48 +5V PWR OUT DC +5V SUPPLY
J9-49 GND GND COM DC Signal Ground
J9-50 +5V PWR OUT DC +5V SUPPLY
Table 4-6. J9 CPU Board Interface–I/O and Power (Continued)